Bilirubin test in newborns
newborn bilirubin test · newborn jaundice test · baby jaundice check · transcutaneous bilirubin
This checks the level of bilirubin, the substance that makes a baby's skin look yellow. Often a device is first held to the skin, and blood is taken if needed.
For jaundice in a newborn, to see if it will go away on its own or if light therapy is needed.
⏱ Duration: the skin device takes a few seconds, a blood test a few minutes; results usually come the same day
Be sure to tell your doctor
How to prepare
- Feeding. Feed your baby as usual. No special prep is needed.
- Warmth. Put socks on. Blood is easier to take from a warm heel.
- Clothing. Comfortable clothes that open easily. The device is held to the forehead or chest.
What to bring
- Your baby's documents
- The referral, if you have one
- The discharge papers from the maternity hospital
How it goes
- The nurse holds a device to your baby's forehead or chest
- In a second, it shows an approximate level
- If an exact level is needed, a drop of blood is taken from the heel or a vein
- A cotton pad is pressed on the spot
What you'll feel
- Your baby will not feel the device
- The prick is quick. Your baby may cry. Breastfeed or cuddle them
Afterwards
- Results usually come the same day
- If bilirubin is high, the doctor may order light therapy, called phototherapy
- The test is often repeated in a day or two
Contact a doctor straight away if
- Your baby is floppy, feeds poorly, or is hard to wake: see a doctor urgently
- Jaundice gets worse, or the stool is pale or the urine dark: see a doctor the same day
Common questions
Is jaundice in a newborn dangerous?
Most often it is normal and goes away on its own in 1 to 2 weeks. The test makes sure a high level is not missed.
Does sunlight help?
Putting your baby in the sun is not advised. They can overheat or get sunburned. Your doctor will decide on treatment.